|
AAON
|
AAON Inc
|
|
|
AEY
|
ADDvantage Technologies Group Inc
|
|
|
AHGP
|
Alliance Holdings GP LP
|
|
|
ARLP
|
Alliance Resource Partners LP
|
|
|
BANF
|
BancFirst Corp
|
|
|
BKEP
|
Blueknight Energy Partners LP
|
|
|
BOKF
|
BOK Financial Corp
|
|
|
CELP
|
Cypress Energy Partners LP
|
|
|
CHK
|
Chesapeake Energy Corp
|
|
|
CLR
|
Continental Resources Inc
|
|
|
DVN
|
Devon Energy Corp
|
|
|
EDUC
|
Educational Development Corp
|
|
|
ENBL
|
Enable Midstream Partners LP
|
|
|
GPORQ
|
GULFPORT ENERGY CORP
|
|
|
HP
|
Helmerich and Payne Inc
|
|
|
LXU
|
LSB Industries Inc
|
|
|
MCEP
|
Mid-Con Energy Partners LP
|
|
|
MMP
|
Magellan Midstream Partners LP
|
|
|
MTRX
|
Matrix Service Co
|
|
|
NGL
|
NGL Energy Partners LP
|
|
|
NSLPQ
|
New Source Energy Partners LP
|
|
|
OGE
|
OGE Energy Corp
|
|
|
OGS
|
ONE Gas Inc
|
|
|
OKE
|
ONEOK Inc
|
|
|
OKS
|
ONEOK Partners LP
|
|
|
OKSB
|
Southwest Bancorp Inc
|
|
|
PHX
|
Panhandle Oil and Gas Inc
|
|
|
REI
|
Ring Energy Inc
|
|
|
RRMS
|
Rose Rock Midstream LP
|
|
|
SD
|
SandRidge Energy Inc
|
|
|
SEMG
|
SemGroup Corp
|
|
|
TISUQ
|
Orchids Paper Products Co
|
|
|
TROX
|
Tronox Ltd
|
|
|
UNT
|
Unit Corp
|
|
|
VTLE
|
Vital Energy, Inc.
|
|
|
WMB
|
Williams Companies Inc
|
|
|
WPX
|
WPX Energy Inc
|
|
|
WPZ
|
Williams Partners LP
|
|
